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Buttweld

Stainless Steel Butt-Weld Fittings – ANSI B16.9 / ASTM A403

Integraflow supplies stainless steel butt-weld fittings in both welded and seamless construction, available in 304/304Land 316/316L grades to ANSI B16.9 and ASTM A403, with sizes from ½” to 24”, sourced from trusted European and Far Eastern mills, and suitable for chemical, and high-performance industrial pipework systems.
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Buttweld

DN150 X DN125 (6" X 5" NB) SCHEDULE 40S A403 WELDED CONCENTRIC REDUCER SS 316
Outside Diameter (OD): 168 X 141mm
Wall Thickness: 7.11 X 6.55mm
Length: 140mm
£ 359.66 359.66 GBP
DN150 X DN125 (6" X 5" NB) SCHEDULE 40S A403 WELDED ECCENTRIC REDUCER SS 304
Outside Diameter (OD): 168 X 141mm
Wall Thickness: 7.11 X 6.55mm
Length: 140mm
£ 296.31 296.31 GBP
DN150 X DN125 (6" X 5" NB) SCHEDULE 40S A403 WELDED ECCENTRIC REDUCER SS 316
Outside Diameter (OD): 168 X 141mm
Wall Thickness: 7.11 X 6.55mm
Length: 140mm
£ 271.95 271.95 GBP
DN150 X DN65 (6" X 2½" NB) SCHEDULE 40S A403 SEAMLESS CONCENTRIC REDUCER SS 304
Outside Diameter (OD): 168 X 73mm
Wall Thickness: 7.11 X 5.16mm
Length: 140mm
Contact us for pricing 0.0 GBP
DN150 X DN65 (6" X 2½" NB) SCHEDULE 40S A403 SEAMLESS CONCENTRIC REDUCER SS 316
Outside Diameter (OD): 168 X 73mm
Wall Thickness: 7.11 X 5.16mm
Length: 140mm
Contact us for pricing 0.0 GBP
DN150 X DN65 (6" X 2½" NB) SCHEDULE 40S A403 SEAMLESS ECCENTRIC REDUCER SS 304
Outside Diameter (OD): 168 X 73mm
Wall Thickness: 7.11 X 5.16mm
Length: 140mm
Contact us for pricing 0.0 GBP
DN150 X DN65 (6" X 2½" NB) SCHEDULE 40S A403 SEAMLESS ECCENTRIC REDUCER SS 316
Outside Diameter (OD): 168 X 73mm
Wall Thickness: 7.11 X 5.16mm
Length: 140mm
Contact us for pricing 0.0 GBP
DN150 X DN65 (6" X 2½" NB) SCHEDULE 40S A403 WELDED CONCENTRIC REDUCER SS 304
Outside Diameter (OD): 168 X 73mm
Wall Thickness: 7.11 X 5.16mm
Length: 140mm
£ 414.61 414.61 GBP
DN150 X DN65 (6" X 2½" NB) SCHEDULE 40S A403 WELDED CONCENTRIC REDUCER SS 316
Outside Diameter (OD): 168 X 73mm
Wall Thickness: 7.11 X 5.16mm
Length: 140mm
£ 377.58 377.58 GBP
DN150 X DN65 (6" X 2½" NB) SCHEDULE 40S A403 WELDED ECCENTRIC REDUCER SS 304
Outside Diameter (OD): 168 X 73mm
Wall Thickness: 7.11 X 5.16mm
Length: 140mm
£ 483.07 483.07 GBP
DN150 X DN65 (6" X 2½" NB) SCHEDULE 40S A403 WELDED ECCENTRIC REDUCER SS 316
Outside Diameter (OD): 168 X 73mm
Wall Thickness: 7.11 X 5.16mm
Length: 140mm
£ 683.90 683.9 GBP
DN150 X DN80 (6" X 3" NB) SCHEDULE 40S A403 SEAMLESS CONCENTRIC REDUCER SS 304
Outside Diameter (OD): 168 X 89mm
Wall Thickness: 7.11 X 5.49mm
Length: 140mm
Contact us for pricing 0.0 GBP
DN150 X DN80 (6" X 3" NB) SCHEDULE 40S A403 SEAMLESS CONCENTRIC REDUCER SS 316
Outside Diameter (OD): 168 X 89mm
Wall Thickness: 7.11 X 5.49mm
Length: 140mm
Contact us for pricing 0.0 GBP
DN150 X DN80 (6" X 3" NB) SCHEDULE 40S A403 SEAMLESS ECCENTRIC REDUCER SS 304
Outside Diameter (OD): 168 X 89mm
Wall Thickness: 7.11 X 5.49mm
Length: 140mm
Contact us for pricing 0.0 GBP
DN150 X DN80 (6" X 3" NB) SCHEDULE 40S A403 SEAMLESS ECCENTRIC REDUCER SS 316
Outside Diameter (OD): 168 X 89mm
Wall Thickness: 7.11 X 5.49mm
Length: 140mm
Contact us for pricing 0.0 GBP
DN150 X DN80 (6" X 3" NB) SCHEDULE 40S A403 WELDED CONCENTRIC REDUCER SS 304
Outside Diameter (OD): 168 X 89mm
Wall Thickness: 7.11 X 5.49mm
Length: 140mm
£ 195.72 195.72 GBP
DN150 X DN80 (6" X 3" NB) SCHEDULE 40S A403 WELDED CONCENTRIC REDUCER SS 316
Outside Diameter (OD): 168 X 89mm
Wall Thickness: 7.11 X 5.49mm
Length: 140mm
£ 344.68 344.68 GBP
DN150 X DN80 (6" X 3" NB) SCHEDULE 40S A403 WELDED ECCENTRIC REDUCER SS 304
Outside Diameter (OD): 168 X 89mm
Wall Thickness: 7.11 X 5.49mm
Length: 140mm
£ 358.26 358.26 GBP
DN150 X DN80 (6" X 3" NB) SCHEDULE 40S A403 WELDED ECCENTRIC REDUCER SS 316
Outside Diameter (OD): 168 X 89mm
Wall Thickness: 7.11 X 5.49mm
Length: 140mm
£ 398.58 398.58 GBP
DN150 x DN100 (6 x 4" NB) SCHEDULE 10S A403 SEAMLESS REDUCING TEE SS 304
Outside Diameter (OD): 168 x 114mm
Wall Thickness (Run x Branch): 3.40 x 3.05mm
Centre to End (Run): 143mm
Centre to End (Branch): 130mm
Schedule: 10S
Weight: 5.10kg

Material: Stainless Steel
Material Grade: 304

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Tee, Reducing Tee, LR, Welding Tee, Weldable
Contact us for pricing 0.0 GBP
DN150 x DN100 (6 x 4" NB) SCHEDULE 10S A403 SEAMLESS REDUCING TEE SS 316
Outside Diameter (OD): 168 x 114mm
Wall Thickness (Run x Branch): 3.40 x 3.05mm
Centre to End (Run): 143mm
Centre to End (Branch): 130mm
Schedule: 10S
Weight: 5.10kg

Material: Stainless Steel
Material Grade: 316

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Tee, Reducing Tee, LR, Welding Tee, Weldable
Contact us for pricing 0.0 GBP
DN150 x DN100 (6 x 4" NB) SCHEDULE 10S A403 WELDED REDUCING TEE SS 304
Outside Diameter (OD): 168 x 114mm
Wall Thickness (Run x Branch): 3.40 x 3.05mm
Centre to End (Run): 143mm
Centre to End (Branch): 130mm
Schedule: 10S
Weight: 5.10kg

Material: Stainless Steel
Material Grade: 304

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Tee, Reducing Tee, LR, Welding Tee, Weldable
£ 281.96 281.96 GBP
DN150 x DN100 (6 x 4" NB) SCHEDULE 10S A403 WELDED REDUCING TEE SS 316
Outside Diameter (OD): 168 x 114mm
Wall Thickness (Run x Branch): 3.40 x 3.05mm
Centre to End (Run): 143mm
Centre to End (Branch): 130mm
Schedule: 10S
Weight: 5.10kg

Material: Stainless Steel
Material Grade: 316

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Tee, Reducing Tee, LR, Welding Tee, Weldable
£ 430.50 430.5 GBP
DN150 x DN100 (6 x 4" NB) SCHEDULE 40S A403 SEAMLESS REDUCING TEE SS 304
Outside Diameter (OD): 168 x 114mm
Wall Thickness (Run x Branch): 7.11 x 6.02mm
Centre to End (Run): 143mm
Centre to End (Branch): 130mm
Schedule: 40s
Weight: 14.0kg

Material: Stainless Steel
Material Grade: 304

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Tee, Reducing Tee, LR, Welding Tee, Weldable
Contact us for pricing 0.0 GBP
DN150 x DN100 (6 x 4" NB) SCHEDULE 40S A403 SEAMLESS REDUCING TEE SS 316
Outside Diameter (OD): 168 x 114mm
Wall Thickness (Run x Branch): 7.11 x 6.02mm
Centre to End (Run): 143mm
Centre to End (Branch): 130mm
Schedule: 40s
Weight: 14.0kg

Material: Stainless Steel
Material Grade: 316

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Tee, Reducing Tee, LR, Welding Tee, Weldable
Contact us for pricing 0.0 GBP
DN150 x DN100 (6 x 4" NB) SCHEDULE 40S A403 WELDED REDUCING TEE SS 304
Outside Diameter (OD): 168 x 114mm
Wall Thickness (Run x Branch): 7.11 x 6.02mm
Centre to End (Run): 143mm
Centre to End (Branch): 130mm
Schedule: 40s
Weight: 14.0kg

Material: Stainless Steel
Material Grade: 304

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Tee, Reducing Tee, LR, Welding Tee, Weldable
£ 444.99 444.99 GBP
DN150 x DN100 (6 x 4" NB) SCHEDULE 40S A403 WELDED REDUCING TEE SS 316
Outside Diameter (OD): 168 x 114mm
Wall Thickness (Run x Branch): 7.11 x 6.02mm
Centre to End (Run): 143mm
Centre to End (Branch): 130mm
Schedule: 40s
Weight: 14.0kg

Material: Stainless Steel
Material Grade: 316

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Tee, Reducing Tee, LR, Welding Tee, Weldable
£ 786.24 786.24 GBP
DN200 (8" NB) SCHEDULE 10S A403 SEAMLESS EQUAL TEE SS 304
Outside Diameter (OD): 219.1mm
Wall Thickness: 8.18mm
Centre to End: 177.8mm
Schedule: 10S
Weight: 24.4kg

Material: Stainless Steel
Material Grade: ASTM A403

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Tee, Equal Tee, LR, Welding Tee, Weldable
Contact us for pricing 0.0 GBP
DN200 (8" NB) SCHEDULE 10S A403 SEAMLESS EQUAL TEE SS 316
Outside Diameter (OD): 219.1mm
Wall Thickness: 8.18mm
Centre to End: 177.8mm
Schedule: 10S
Weight: 24.4kg

Material: Stainless Steel
Material Grade: ASTM A403

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Tee, Equal Tee, LR, Welding Tee, Weldable
Contact us for pricing 0.0 GBP
DN200 (8" NB) SCHEDULE 10S A403 SEAMLESS LONG RADIUS 45 DEG ELBOW SS 304
Outside Diameter (OD): 219.1mm
Wall Thickness: 3.76mm

Schedule: A403 Seamless
Weight: 13.8kg

Material: Stainless Steel
Material Grade: 304

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Long Radius, 45°, LR, Bend, Weldable
Contact us for pricing 0.0 GBP
DN200 (8" NB) SCHEDULE 10S A403 SEAMLESS LONG RADIUS 45 DEG ELBOW SS 316
Outside Diameter (OD): 219.1mm
Wall Thickness: 3.76mm

Schedule: A403 Seamless
Weight: 13.8kg

Material: Stainless Steel
Material Grade: 316

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Long Radius, 45°, LR, Bend, Weldable
Contact us for pricing 0.0 GBP
DN200 (8" NB) SCHEDULE 10S A403 SEAMLESS LONG RADIUS 90 DEG ELBOW SS 304
Outside Diameter (OD): 219.1mm
Wall Thickness: 3.76mm
Centre to Face: 305.0mm
Schedule: A403 Seamless
Weight: 20.4kg

Material: Stainless Steel
Material Grade: 304

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Long Radius, 90°, LR, Bend, Weldable
Contact us for pricing 0.0 GBP
DN200 (8" NB) SCHEDULE 10S A403 SEAMLESS LONG RADIUS 90 DEG ELBOW SS 316
Outside Diameter (OD): 219.1mm
Wall Thickness: 3.76mm
Centre to Face: 305.0mm
Schedule: A403 Seamless
Weight: 20.4kg

Material: Stainless Steel
Material Grade: 316

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Long Radius, 90°, LR, Bend, Weldable
Contact us for pricing 0.0 GBP
DN200 (8" NB) SCHEDULE 10S A403 SEAMLESS SHORT RADIUS 90 DEG ELBOW SS 304
Outside Diameter (OD): 219.1mm
Wall Thickness: 3.76mm
Centre to Face: 203.0mm
Schedule: A403 Seamless
Weight: 13.8kg

Material: Stainless Steel
Material Grade: 304

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Short Radius, 90°, SR, Bend, Weldable
Contact us for pricing 0.0 GBP
DN200 (8" NB) SCHEDULE 10S A403 SEAMLESS SHORT RADIUS 90 DEG ELBOW SS 316
Outside Diameter (OD): 219.1mm
Wall Thickness: 3.76mm
Centre to Face: 203.0mm
Schedule: A403 Seamless
Weight: 13.8kg

Material: Stainless Steel
Material Grade: 316

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Short Radius, 90°, SR, Bend, Weldable
Contact us for pricing 0.0 GBP
DN200 (8" NB) SCHEDULE 10S A403 WELDED EQUAL TEE SS 304
Outside Diameter (OD): 219.1mm
Wall Thickness: 8.18mm
Centre to End: 177.8mm
Schedule: 10S
Weight: 24.4kg

Material: Stainless Steel
Material Grade: ASTM A403

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Tee, Equal Tee, LR, Welding Tee, Weldable
£ 558.46 558.46 GBP
DN200 (8" NB) SCHEDULE 10S A403 WELDED EQUAL TEE SS 316
Outside Diameter (OD): 219.1mm
Wall Thickness: 8.18mm
Centre to End: 177.8mm
Schedule: 10S
Weight: 24.4kg

Material: Stainless Steel
Material Grade: ASTM A403

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Tee, Equal Tee, LR, Welding Tee, Weldable
£ 780.78 780.78 GBP
DN200 (8" NB) SCHEDULE 10S A403 WELDED LONG RADIUS 45 DEG ELBOW SS 304
Outside Diameter (OD): 219.1mm
Wall Thickness: 3.76mm

Schedule: A403 Welded
Weight: 13.8kg

Material: Stainless Steel
Material Grade: 304

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Long Radius, 45°, LR, Bend, Weldable
£ 303.03 303.03 GBP
DN200 (8" NB) SCHEDULE 10S A403 WELDED LONG RADIUS 45 DEG ELBOW SS 316
Outside Diameter (OD): 219.1mm
Wall Thickness: 3.76mm

Schedule: A403 Welded
Weight: 13.8kg

Material: Stainless Steel
Material Grade: 316

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Long Radius, 45°, LR, Bend, Weldable
£ 458.08 458.08 GBP
DN200 (8" NB) SCHEDULE 10S A403 WELDED LONG RADIUS 90 DEG ELBOW SS 304
Outside Diameter (OD): 219.1mm
Wall Thickness: 3.76mm
Centre to Face: 305.0mm
Schedule: A403 Welded
Weight: 20.4kg

Material: Stainless Steel
Material Grade: 304

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Long Radius, 90°, LR, Bend, Weldable
£ 408.66 408.66 GBP